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Fix runtime crash for setjmp in Windows related to an hidden second argument not normally accessible needing to be set to 0.

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vassvik
2021-08-28 13:32:13 +02:00
parent 102d080a31
commit 165118c641
1 changed files with 27 additions and 8 deletions
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35
core/c/libc/setjmp.odin
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@@ -8,16 +8,35 @@ when ODIN_OS == "windows" {
foreign import libc "system:c"
}
when ODIN_OS == "windows" {
@(default_calling_convention="c")
foreign libc {
// 7.13.1 Save calling environment
//
// NOTE(dweiler): C11 requires setjmp be a macro, which means it won't
// necessarily export a symbol named setjmp but rather _setjmp in the case
// of musl, glibc, BSD libc, and msvcrt.
//
// TODO(mv): Some description of the extra argument, and maybe a link describing
// it in more detail?
@(link_name="_setjmp")
setjmp :: proc(env: ^jmp_buf, hack: rawptr = nil) -> int ---;
}
} else {
@(default_calling_convention="c")
foreign libc {
// 7.13.1 Save calling environment
//
// NOTE(dweiler): C11 requires setjmp be a macro, which means it won't
// necessarily export a symbol named setjmp but rather _setjmp in the case
// of musl, glibc, BSD libc, and msvcrt.
@(link_name="_setjmp")
setjmp :: proc(env: ^jmp_buf) -> int ---;
}
}
@(default_calling_convention="c")
foreign libc {
// 7.13.1 Save calling environment
//
// NOTE(dweiler): C11 requires setjmp be a macro, which means it won't
// necessarily export a symbol named setjmp but rather _setjmp in the case
// of musl, glibc, BSD libc, and msvcrt.
@(link_name="_setjmp")
setjmp :: proc(env: ^jmp_buf) -> int ---;
// 7.13.2 Restore calling environment
longjmp :: proc(env: ^jmp_buf, val: int) -> ! ---;
}